Bug 19043: Z39.50 target clio-db.cc.columbia.edu:7090 is no longer publicly available

Bug 19043: Z39.50 target clio-db.cc.columbia.edu:7090 is no longer publicly available

Test plan:
0) Apply the patch
1) Install all affected languages: de-DE, es-ES, fr-CA and pl-PL
2) Remove and recreate Koha database
3) Go through web installer in English and don't forgot to load sample Z39.50 servers
4) Go to Administration -> Z39.50/SRU Servers and confirm the sample
servers are here, but columbia.edu is not here
5) Repeat 2-4 for other languages: de-DE, es-ES, fr-CA and pl-PL

Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>
Signed-off-by: Marcel de Rooy <m.de.rooy@rijksmuseum.nl>
Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>